The school cafeteria workers are preparing sack lunches for the fourth grade field trip to the zoo. They made 84 lunches one lunch for every adult and child attending the trip if they made 74 students lunches what is the ratio of total adults to students attending the field trip?

i think asking google will you get the answer to that question

12

step-by-step explanation:

a triangle's   full angle is 180 degrees so 180 - 156 = 24. 24/2=12

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,